リフレッシュれーと50固定

x230をipsに載せ換えたら60pだとうにょうにょーってなのので

古井とつかえねーかったので変更
s/EnumDisplaySettingsEx/EnumDisplaySettings/

int  main()
{
	DEVMODE  DevMode = {0};
	int result;
	DevMode.dmSize = sizeof(DEVMODE);

	result = EnumDisplaySettings(
		NULL, ENUM_CURRENT_SETTINGS, &DevMode);
/*
  printf("%4dx%4d %2d bits @%2d Hz [%2d]\n",
        DevMode.dmPelsWidth,
        DevMode.dmPelsHeight,
        DevMode.dmBitsPerPel,
        DevMode.dmDisplayFrequency,
        DevMode.dmDisplayFlags);
*/
	if(result) {
		if( DevMode.dmDisplayFrequency != 50 ) {
			DevMode.dmDisplayFrequency = 50;
			ChangeDisplaySettingsEx(
				NULL,&DevMode,0,CDS_UPDATEREGISTRY,0);
		}
	}
	return 0;
}